Public domain from a copyright standpoint, but other restrictions apply. 18 U.S.C. § 713 states that nobody can knowingly display any printed or other likeness of the Great Seal of the United States, or any facsimile thereof, in, or in connection with, any advertisement, poster, circular, book, pamphlet, or other publication, public meeting, play, motion picture, telecast, or other production, or on any building, monument, or stationery, for the purpose of conveying, or in a manner reasonably calculated to convey, a false impression of sponsorship or approval by the Government of the United States or by any department, agency, or instrumentality thereof.